Picture library: 36030

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Reference: 36030

PHLOEOSPORA ROBINIAE and PHOMA MACROSTOMA . Blight of Robinia pseudoacacia nursery stock . Whether both or only one of these fungi was responsible was uncertain . The former is a known pathogen of this plant , the latter of other species . Both pathogens were present on young lesions, the former only on leaves and tender shoots , the latter on leaves and twigs . Location: Alice Holt , Hampshire, England .